CN210679259U - A kind of extrusion granulation equipment for color masterbatch production - Google Patents

Abstract

The utility model discloses an extrusion granulation device for producing color master batches, which comprises an extrusion mechanism, a cooling mechanism and a granulating mechanism; the extruding mechanism comprises a first extruder and a second extruder which are connected end to end, the diameter of a screw rod of the second extruder is gradually reduced from a feeding hole to a discharging hole, an inner cavity of the second extruder is matched with the screw rod, and a discharging die orifice is arranged at the discharging hole of the second extruder; the cooling mechanism comprises an air cylinder which is vertically arranged in a through manner, an air pump is arranged on the side wall of the air cylinder, air holes are uniformly formed in one side of the air cylinder, which is not provided with the air pump, the lower end of the air cylinder is arranged right opposite to the water cooling tank, and a transmission roller is horizontally arranged in the water cooling tank; cut grain mechanism and include the pelleter case, the pelleter case is provided with the guide roll, guide roll one side is provided with the material cutting roller, the material cutting roller rotates with a driving motor and is connected. The utility model has the advantages of good extrusion effect, rapid granulation, simple structure and convenient operation.

Description

A kind of extrusion granulation equipment for color masterbatch production

technical field

The utility model relates to the technical field of color master batch production, in particular to an extrusion granulation device for the production of color master batches.

Background technique

Color masterbatch refers to a plastic colorant that is well dispersed by a high proportion of pigments or additives and thermoplastic resins. The selected resin has good wetting and dispersing effects on the colorant, and has a good compatibility. That is: pigment + carrier + additive = masterbatch.

When the masterbatch is produced, the raw material needs to be heated up, extruded through the extruder to form a long strip, and the particles for the production of the masterbatch are formed through cooling and dicing. At this stage, the following problems exist when the above-mentioned production line is used for production: ( 1) The extruder cannot fully melt the original material, there is blockage during extrusion, and there are solids in the long material. (2) When cooling, the cooling water is directly connected, which causes the long material to shrink sharply, and there are fractures. possible.

Utility model content

In view of the above-mentioned deficiencies of the prior art, the technical problem to be solved by this patent application is: how to provide an extrusion granulation equipment for the production of color masterbatches that can have good extrusion effect, rapid granulation, simple structure and convenient operation.

In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

An extrusion pelletizing device for color masterbatch production, comprising an extrusion mechanism, a cooling mechanism and a pelletizing mechanism; the extrusion mechanism includes a first extruder and a second extruder connected end to end, the first extruder The discharge port of the extruder is connected with the feed port of the second extruder, the first extruder and the second extruder are both provided with a heating and heat preservation mechanism, and the second extruder The diameter of the screw of the second extruder gradually decreases from the feed port to the discharge port, the inner cavity of the second extruder matches the screw, and the discharge port of the second extruder is set vertically downward, The discharge port of the second extruder is provided with a blanking die; the cooling mechanism includes an air duct arranged vertically through, and the upper end of the air duct is arranged facing the blanking die, and the air duct is arranged to face the blanking die. An air pump is arranged on the side wall of the cylinder, and air holes are evenly arranged on the side of the air cylinder that is not provided with the air pump, and the lower end of the air cylinder is arranged facing the water-cooling box, and a transmission roller is horizontally arranged in the water-cooling box; The pelletizing mechanism includes a pelletizing box, and the pelletizing box is provided with a guide roller facing the water cooling box, and a cutting roller is provided on the side of the guide roller away from the pelletizing box. A driving motor is rotatably connected, and a blanking plate is arranged at one end of the cutting roller away from the guiding roller.

When in use, the material is added into the feed port of the first extruder, the first extruder is heated, squeezed and transported, and then enters the second extruder through the discharge port, and the second extruder is heated Extrusion, in the extrusion process, with the reduction of the screw diameter, the pressure at the discharge port of the second extruder increases, which is more conducive to the extrusion of the material and avoids accumulation at the bottom grinding port. With the heating of the two-stage extruder, the material is fully melted, and there will be no solids in the extruded long material, which ensures the difficulty of granulation. The air pump extracts the gas in the air duct, the gas enters the air duct through the upper and lower ends of the air duct and the air holes respectively, and pre-cools the long material. After the long material passes through the air duct, it enters the water cooling box, and the cooling water in the water cooling box It is cooled down and cooled to make it uniformly solidified, and then enters the pelletizing roller through the guide roller for pelletizing and blanking. The utility model can completely dissolve the original material to extrude the uniform long material, and the long material is finally cut into pellets after air cooling and water cooling, and the formed pellets have a uniform texture without cracks and impurities.

As an optimization, the first extruder is a single-screw horizontal extruder, and a pulverizing mechanism is provided at the feed port of the first extruder.

In this way, the first extruder can stably extrude the material, and the crushing mechanism can satisfy the crushing of the material and help it to melt.

As an optimization, the pulverizing mechanism includes a feeding box, a rotating shaft is horizontally arranged in the feeding box, and blades are uniformly distributed in the circumferential direction of the rotating shaft, and the rotating shaft is rotatably connected with the second driving motor.

In this way, the second drive motor can mobilize the rotating shaft to rotate, and the blade can shred the material, and the shredding is uniform and fast.

As an optimization, the heating and heat preservation mechanism is an electric heating grid.

In this way, the heating of the electric heating network is uniform, and there is no temperature difference, which ensures the uniform heating of the material and avoids repeated heating.

As an optimization, discharge holes are evenly arranged on the blanking die.

In this way, the discharge hole can make the specification and size of the long material consistent, achieve the effect of batch extrusion, and improve the production efficiency.

As an optimization, a power input mechanism is also included. The power input mechanism includes a third drive motor disposed outside the water-cooled box. The output shaft of the third drive motor is coaxially connected to any of the drive rollers. The transmission roller is rotatably connected with the water-cooling box through a sealed bearing.

In this way, the third drive motor drives a drive shaft to rotate, which gives the long material a power under the cooling water to avoid breaking due to excessive force.

As an optimization, the material-cutting rollers include two that are arranged up and down facing each other, and a cutter is provided on the material-cutting rollers.

In this way, the material can be cut evenly.

Description of drawings

Fig. 1 is the structural schematic diagram of the extrusion granulation equipment for the production of color masterbatch disclosed by the utility model.

FIG. 2 is a schematic structural diagram of A-A in FIG. 1 .

FIG. 3 is a schematic structural diagram of B-B in FIG. 1 .

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example.

1-3, a kind of extrusion pelletizing equipment for color masterbatch production, including extrusion mechanism, cooling mechanism and pelletizing mechanism; the extrusion mechanism includes a first extruder 1 and a second extruder connected end to end Outlet 2, the outlet of the first extruder 1 is connected to the inlet of the second extruder 2, and both the first extruder 1 and the second extruder 2 are provided There is a heating and heat preservation mechanism, the diameter of the screw 21 of the second extruder 2 gradually decreases from the feed port to the discharge port, and the inner cavity of the second extruder 2 matches the screw 21, so The discharge port of the second extruder 2 is arranged vertically downward, and the discharge port of the second extruder 2 is provided with a blanking die 22; the cooling mechanism includes an air duct arranged vertically through 3. The upper end of the air duct 3 is disposed facing the blanking die 22, the side wall of the air duct 3 is provided with an air pump 31, and the side of the air duct 3 that is not provided with the air pump 31 is evenly provided with an air pump 31. Hole 32, the lower end of the air duct 3 is arranged facing the water-cooling box 33, and the water-cooling box 33 is provided with a drive roller 34 horizontally; the pelletizing mechanism includes a pelletizing box 4, and the pelletizing box 4 is facing the The water-cooling box 34 is provided with a guide roller 41, and the side of the guide roller 41 away from the pelletizing box 4 is provided with a cutting roller 42. The cutting roller 42 is rotatably connected with the first driving motor 43, and the cutting A blanking plate 44 is provided at one end of the roller 42 away from the guide roller 41 .

When in use, the material is added into the feed port of the first extruder, the first extruder is heated, squeezed and transported, and then enters the second extruder through the discharge port, and the second extruder is heated Extrusion, in the extrusion process, with the reduction of the screw diameter, the pressure at the discharge port of the second extruder increases, which is more conducive to the extrusion of the material and avoids accumulation at the bottom grinding port. With the heating of the two-stage extruder, the material is fully melted, and there will be no solids in the extruded long material, which ensures the difficulty of granulation. The air pump extracts the gas in the air duct, the gas enters the air duct through the upper and lower ends of the air duct and the air holes respectively, and pre-cools the long material. After the long material passes through the air duct, it enters the water cooling box, and the cooling water in the water cooling box It is cooled down and cooled to make it solidify uniformly. The long material automatically sinks into the water due to its own gravity and contacts with the drive roller. In order to reduce friction, a drive roller is provided to enter the pelletizing roller through the guide roller for cutting. Granular cutting. The utility model can completely dissolve the original material to extrude the uniform long material, and the long material is finally cut into pellets after air cooling and water cooling, and the formed pellets have a uniform texture without cracks and impurities.

In this embodiment, the first extruder 1 is a single-screw horizontal extruder, and a pulverizing mechanism is provided at the feed port of the first extruder 1 .

In this way, the first extruder can stably extrude the material, and the crushing mechanism can satisfy the crushing of the material and help it to melt.

In this embodiment, the pulverizing mechanism includes a feeding box 5 , and a rotating shaft 51 is horizontally arranged in the feeding box 5 . The rotating shaft 51 is uniformly distributed with blades 52 , and the rotating shaft 51 is rotatably connected with the second driving motor 53 . .

In this way, the second drive motor can mobilize the rotating shaft to rotate, and the blade can shred the material, and the shredding is uniform and fast.

In this embodiment, the heating and heat preservation mechanism is an electric heating net 6 .

In this way, the heating of the electric heating network is uniform, and there is no temperature difference, which ensures the uniform heating of the material and avoids repeated heating.

Specifically, the electric heating grid 6 is connected to a power source, and the power source provides power supply for the electric heating grid.

In this embodiment, discharge holes are evenly arranged on the blanking die opening 22 .

In this way, the discharge hole can make the specification and size of the long material consistent, achieve the effect of batch extrusion, and improve the production efficiency.

In this embodiment, a power input mechanism is also included. The power input mechanism includes a third drive motor 35 disposed outside the water-cooled box 33 . The output shaft of the third drive motor 35 is connected to any of the drive rollers 34 . Coaxial transmission connection, the transmission roller 34 is rotatably connected with the water cooling box 33 through a sealed bearing.

In this way, the third drive motor drives a drive shaft to rotate, which gives the long material a power under the cooling water to avoid breaking due to excessive force.

In this embodiment, the material cutting rollers 42 include two which are arranged vertically and face to face, and a cutting knife is provided on the material cutting rollers 42 .

In this way, the material can be cut evenly.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims (7)

1. a color master batch production extrusion granulation equipment, is characterized in that, comprises extrusion mechanism, cooling mechanism and pelletizing mechanism; The extrusion mechanism includes a first extruder and a second extruder connected end to end, the outlet of the first extruder is connected to the inlet of the second extruder, the first extruder Both the extruder and the second extruder are provided with a heating and heat preservation mechanism, the diameter of the screw of the second extruder gradually decreases from the feeding port to the discharging port, and the diameter of the second extruder is gradually reduced. The inner cavity is matched with the screw, the discharge port of the second extruder is arranged vertically downward, and the discharge port of the second extruder is provided with a blanking die; The cooling mechanism includes an air duct that is arranged vertically through, the upper end of the air duct is arranged facing the blanking die opening, an air pump is provided on the side wall of the air duct, and the air duct is not provided with an air pump. The air holes are evenly arranged on the side, the lower end of the air duct is arranged facing the water-cooling box, and the water-cooling box is horizontally arranged with a transmission roller; The pelletizing mechanism includes a pelletizing box, and the pelletizing box is provided with a guide roller facing the water cooling box, and a cutting roller is provided on the side of the guide roller away from the pelletizing box. Rotatingly connected with the first driving motor, a blanking plate is arranged at one end of the cutting roller away from the guiding roller. 2. The extrusion granulation equipment for producing a color masterbatch according to claim 1, wherein the first extruder is a single-screw horizontal extruder, and the feed of the first extruder is A crushing mechanism is arranged at the material opening. 3. The extrusion granulation equipment for producing color masterbatches according to claim 2, wherein the pulverizing mechanism comprises a feeding box, and a rotating shaft is horizontally arranged in the feeding box, and the rotating shaft is evenly distributed in the circumferential direction. There is a blade, and the rotating shaft is rotatably connected with the second driving motor. 4. The extrusion granulation equipment for the production of a color masterbatch according to claim 3, wherein the heating and heat preservation mechanism is an electric heating net. 5. The extrusion granulation equipment for the production of color master batches according to claim 4, characterized in that, a discharge hole is evenly arranged on the described lowering die. 6. The extrusion granulation equipment for color masterbatch production according to claim 5, further comprising a power input mechanism, the power input mechanism comprising a third drive motor arranged on the outside of the water-cooled box , the output shaft of the third drive motor is coaxially connected to any transmission roller, and the transmission roller is rotatably connected to the water-cooled box through a sealed bearing. 7. The extrusion granulation equipment for masterbatch production according to claim 6, characterized in that, the cutting roller comprises two that are arranged up and down facing each other, and a cutting knife is provided on the cutting roller. .

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